Mercury – Rudder Angle Gauge | Gray Face | 2-1/8" (52 mm) | 79-8M0065977

Overview

The Mercury Rudder Angle Gauge (79-8M0065977) lets you see your rudder position instantly, giving you better control and awareness at the helm. It’s especially useful when docking, maneuvering in tight spaces, or piloting larger inboard boats. The gray face, bright white numerals, and glass lens provide a clean, modern look that’s easy to read in any light. It fits a standard 2-1/8" (52 mm) dash hole and works with SmartCraft-compatible systems equipped with rudder sensors.

Key Features

• Rudder Position Indicator – Displays your rudder angle in real time for precise steering control.
• Gray Face & Glass Lens – Modern, high-contrast design for easy readability.
• Standard 2-1/8" (52 mm) Fit – Simple drop-in installation for most dash layouts.
• SmartCraft Integration – Works with Mercury systems equipped with rudder position sensors.
• Accurate & Responsive – Provides smooth, real-time feedback on rudder position.
• Marine-Grade Construction – UV-stable, corrosion-resistant, and built to handle salt and vibration.
• OEM Fit & Finish – Matches Mercury’s gray-face gauge lineup for a uniform, factory appearance.

Compatibility

• Fits: Mercury SmartCraft-equipped boats (functionality depends on installed rudder sensors and engine model)

Performance & Practical Benefits

This gauge helps you stay in control, especially in close-quarters maneuvers or when running multi-engine setups. By showing your rudder’s position at a glance, it helps improve handling, reduces overcorrection, and adds confidence at the helm. The gray face design gives your dash a modern, factory finish while delivering reliable, real-time data every time you turn the wheel.

Why Buy OEM

Mercury Marine gauges are built to handle real-world marine environments — vibration, salt, sun, and heat. Each unit is tested for accuracy and durability, ensuring you get precise readings and long service life. With genuine OEM equipment, you get perfect SmartCraft compatibility and the same factory quality used on new Mercury-rigged boats.

FAQ

Q1: What does this gauge measure?
It displays your rudder’s position in real time.

Q2: What dash opening does it fit?
A standard 2-1/8" (52 mm) gauge hole.

Q3: Does it work with all Mercury engines?
It’s designed for SmartCraft-equipped boats with rudder angle sensors installed.

Q4: How easy is it to install?
It installs like other Mercury gauges — quick and straightforward using standard SmartCraft wiring.

Q5: Is this a genuine Mercury part?
Yes — it’s a factory Mercury Marine gauge, built to OEM standards.